Home / 472,392,568.80-708,588,853.20-403,517,815.20

Finding the Fourth Proportional to 472,392,568.80, 708,588,853.20 and 403,517,815.20

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Solution

The fourth proportional to 472,392,568.80, 708,588,853.20 and 403,517,815.20 is: 605,276,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,568.80 : 708,588,853.20 = 403,517,815.20 : x
  2. Step 2: Convert to fraction form
    472,392,568.80/708,588,853.20 = 403,517,815.20/x
  3. Step 3: Cross multiply
    472,392,568.80x = 708,588,853.20 × 403,517,815.20
  4. Step 4: Simplify right side
    472,392,568.80x = 285,928,225,918,337,536
  5. Step 5: Solve for x
    x = 285,928,225,918,337,536/472,392,568.80
  6. Step 6: Final answer
    x = 605,276,722.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.